28/03/2020 Ideal Gases and Thermal Expansion(Senior Class Physics Study by Topics) 0Comments by Gate Academy Welcome to your Ideal Gases and Thermal Expansion(Senior Class Physics Study by Topics) NAME EMAIL PHONE NUMBER 1. Which Gas Law is involved when a balloon pops after being sat on? Boyle's LawCharles LawNone of the AboveLaw of Pressure Gradient2. Which of the following effects is NOT a result of surface tension?A glass can be filled with milk beyond its brim.Liquids floating in the Space Shuttle form into spheresThe pressure increases with the depth in a fluidSoap films on wire frames have minimal surface areas3. Each of these flasks is the same size and at the same temperature. Which one contains the most molecules? Flask 3Flask 1Flask 2Flask 44. In which direction in a fluid at rest is the pressure the greatest at a given depth?HorizontalDownwardThe pressure is the same in all directionsUpward5. Gas pressure is caused by: Gas molecules reacting with other gas moleculesGas molecules hitting the walls of a containerGas molecules hitting other gas moleculesGas molecules heating up6. What is the temperature of a 500 mL container of 100g of hydrogen gas held at a pressure of 0.25 atm? ____K0.03192730.37. You have two cubes of the same size, one made of aluminum and the other of lead. Both cubes are allowed to sink to the bottom of a water-filled aquarium. Which cube, if either, experiences the greater buoyant force?I will let computer choose for meThe lead cubeBoth cubes experience the same buoyant forceThe aluminum cube8. The atomic mass of carbon dioxide is 44 atomic mass units. What is the atomic mass of oxygen if each molecule contains one atom of carbon and two of oxygen?122210169. Which of the following types of bench would feel warmer on a cool harmattan day? WoodAluminiumMarbleIron10. What Kelvin temperature corresponds to room temperature of 20 degrees Centigrade 273 K293 K253 K20 K11. What is the force that binds materials together?ElectricVan de WaalStrong nuclearGravitational12. A Good example of Charles' law is when a piece of metal expands in the heat. TrueFalse13. At a pressure of 5.0 atmospheres, a sample of gas occupies 40 liters. What volume will the same sample hold at 1.0 atmosphere?0.0050 L8.0 L200 L0.13 L14. The mass of an oxygen molecule is 16 times that of a hydrogen molecule. If the gases are maintained at the same temperature, what is the ratio of the rms speed of an oxygen molecule to that ofa hydrogen molecule?41/4161/1615. If 1 liter of oxygen combines completely with 2 liters of hydrogen to form water, how many liters of oxygen are required to combine completely with 8 liters of hydrogen462816. Two barometers are made with water and oil. The density of oil is 900 kg/m3 and that of water is 1000 kg/m3. If the oil column is 10 m tall, how tall is the water column? 10.0 m12.0 m11.1 m9.0 m17. Each of these flasks contains the same number of gas molecules. In which would the pressure be lowest? Flask 4Flask 1Flask 3Flask 218. The choice of thermometric liquids in a thermometer should depend on the following properties except: Must have a high specific heat capacityMust have a high coefficient of expansionMust be opaqueMust have a low melting point19. According to Charles Law, if you have a balloon inside a car at noon during a hot summer day, the balloon molecules inside will increase in pressure.FalseTrue20. Avogadro suggested that each liter of gas under identical conditions has the sameNumber of moleculesDensityMassNumber of moles21. Each of these flasks contains the same number of molecules. In which container is the pressure highest? Flask 1Flask 2Flask 3Flask 422. Which of the following doubles with a doubling of the Celsius temperature of an ideal gas?Average speedNone of the aboveAverage momentumAverage kinetic energy23. Â Neon gas has a volume of 2,000 ml with a pressure of 1.8atm however, the pressure decreased to 1.3 atm, what is now the volume of the neon gas? 2, 795mL2,759mL3,795mL3,759mL24. When a supply of hydrogen gas is held in a 4-liter container at 320 K it exerts a pressure of 800 torrs. The supply is moved to a 2-liter container, and cooled to 160 K. What is the new pressure of the confined gas? 200 torr1600 torr800 torr400 torr25. A platinum resistance thermometer has resistance of 52.5 ohms and 9.75 ohms at 0 degrees Celsius and 100 degrees Celsius respectively. When the resistance is 8.25 ohms, find the temperature75:0oC84:6oC63:6oC66:7oC26 out of 25Time is Up!
